import java.util.ArrayList;
import java.util.Scanner;

/**
 * 
 */

/**
 * @author zhongfang
 *
 */
public class BeautifulHuiwen {

	ArrayList<String> allPerm=new ArrayList<>();
	public void perm(char[] chars,int k,int m) {//生成全排列
		if(k==m){
			String aString=chars.toString();
			allPerm.add(aString);
		}
		for (int i = 0; i < chars.length; i++) {
			//交换i和0
			char tmp=chars[0];
			chars[0]=chars[i];
			chars[i]=chars[0];
			
			perm(chars, k+1, m);
			
			tmp=chars[0];
			chars[0]=chars[i];
			chars[i]=chars[0];
		}
	}
	/**
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Scanner in=new Scanner(System.in);
		int N=in.nextInt();//原来字符串的长度
		int M=in.nextInt();
		int K=in.nextInt();
		int result=0;
		BeautifulHuiwen beautifulHuiwen=new BeautifulHuiwen();
		System.out.println(result);
	}

}
